Tube-number record
ZM1000 / ZM1000R
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ClassIndicator Tube
BaseSpecial / none
Construction
Primary TypeOther / special
EnvelopeSide viewing
SectionsTen cathodes (numerals 0-9), one decimal point, one primer, one common anode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage170 V
Cathode Current4.5 mA
Audio Performance
Key Features
- Long life
- Side viewing
- Red contrast filter (ZM1000R only)
- Primer for ionization without delay
- In-line read out
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| D.C. operation | 170 V | — | — | — | 2.5 mA |
Application Notes
Bulb temperatures below 10°C result in a reduced life expectancy. Constant current operation is recommended for wide temperature ranges.
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